Landfill Dzine Kids Sandal Flip Flop (Toddler/Little Kid/Big Kid) Size 4 cotton-blend Made in USA and Imported The outer strap consist of zero waste upcycled irrigation hoses diverted from landfills in California. The under part of the strap that touches the foot is made using vegan friendly ultra soft Cotton blend micro fiber material. The soles of the black flip flop sandals are made with soft textured bumpy materials that massage your feet when wearing Light Weight Eco-friendly flip flop sandals will give your feet Instant Comfort Landfill Dzines black flip flops for kids are stylish, fashion forward as well as sustainable Layflat irrigation is the strap material and will look like cotton fibers are showing on the sides (it will look like its stringing, fraying etc. this is normal)